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The breakout sub-interfaces can also be merged into one interface through the port merge operation by using set interface gigabit-ethernet <port> breakout donot command.

Step1         Set the port breakout to donot to merge the port.

                   set interface gigabit-ethernet <port-name> breakout donot

NOTE:

  •   This command can only be run in FLEX mode.
  •   The port-name is the first sub-interface of the breakout interface, for example, xe-1/1/25.1, xe-1/1/26.1.
  •   When performing the port merge operation, before restarting the system, you need to manually delete the configurations of the unavailable interfaces in the new mode, to make sure that the configuration file can be loaded normally when the system boots up.

Step2         Restart PICOS to make the setting take effect.

admin@XorPlus:~$ sudo /etc/init.d/picos restart

Step3         Verify the configuration.

For example, we have merged 4 x 10GE sub-interfaces xe-1/1/25.1, xe-1/1/25.2, xe-1/1/25.3, and xe-1/1/25.4 into one 40GE interface xe-1/1/25.1.

After the system starts up, run run show interface brief command to view the interface information. We can see the four sub-interfaces are merged into one interface xe-1/1/25.1.

admin@XorPlus# run show interface brief
Interface   Management  Status  Flow Control  Duplex  Speed    Description
----------  ----------  ------  ------------  ------  -------  ------------------------------
xe-1/1/1    Enabled     Down    Disabled      Full    Auto    
xe-1/1/2    Enabled     Down    Disabled      Full    Auto    
xe-1/1/3    Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/4    Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/5    Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/6    Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/7    Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/8    Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/9    Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/10   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/11   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/12   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/13   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/14   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/15   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/16   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/17   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/18   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/19   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/20   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/21   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/22   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/23   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/24   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/25.1 Enabled     Down    Disabled      Full    Auto    
xe-1/1/26.1 Enabled     Down    Disabled      Full    Auto    
xe-1/1/27.1 Enabled     Up      Disabled      Full    40Gb/s  
xe-1/1/28.1 Enabled     Up      Disabled      Full    40Gb/s  
xe-1/1/29.1 Enabled     Down    Disabled      Full    Auto    
xe-1/1/30.1 Enabled     Down    Disabled      Full    Auto    
xe-1/1/31   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/32   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/33   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/34   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/35   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/36   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/37   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/38   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/39   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/40   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/41   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/42   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/43   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/44   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/45   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/46   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/47   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/48   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/49   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/50   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/51   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/52   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/53   Enabled     Up      Disabled      Full    10Gb/s  
xe-1/1/54   Enabled     Up      Disabled      Full    10Gb/s
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